Longest Fingernails - Female :

Lee Redmond (USA), who hasn't cut her nails since 1979, has grown and carefully manicured them to reach a total length of 7 m 51.3 cm (24 ft 7.8 in).

The measurements of each fingernail is as follows:-

Right hand :
Thumb 76.4 cm (30.1 in)
Index finger 72.3 cm (28.5 in)
Middle finger 74.1 cm (29.2 in)
Ring finger 73.6 cm (29 in )
Little finger 71.6 cm (28.2 in)

Left hand :
Thumb 80 cm (31.5 in)
Index finger 76.4 cm (30.1 in)
Middle finger 76.7 cm (30.2 in)
Ring finger 76.2 cm (30 in)
Little finger 73.6 cm (29 in)